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jcp-data-analysis

Use when analyzing experimental data for a Journal of Consumer Psychology (JCP) manuscript — ANOVA/regression on the effect, measured and experimental mediation, moderation and moderated mediation, measurement of the process, and the rigor-era reporting standards. Analyzes the studies; it does not design them (jcp-methods).

Journal-of-Consumer-Psychology-Skills/skills/jcp-data-analysis/SKILL.md

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# Data Analysis (jcp-data-analysis)

## When to trigger

- Your effect is significant but the **process evidence** does not yet hold up
- You ran mediation but a reviewer calls it correlational or under-powered
- A moderation is predicted but the interaction is messy or the simple effects are not probed
- You need to report results to JCP's post-rigor-reform standards (effect sizes, CIs, exclusions)
- The measure of your psychological process is noisy or its validity is in question

## Analyze the process, not just the p-value

JCP's contribution is a mechanism, so the analysis must make the **process** visible and defensible. The headline test of the effect (typically ANOVA or regression with the manipulated IV) is necessary but not sufficient; the paper lives or dies on whether the **mediation/moderation** evidence supports the proposed psychological process and rules out rivals. Report estimates with **effect sizes and confidence intervals**, exact statistics, and full Ns before and after pre-specified exclusions. APA reporting style is the house norm.
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